static uint8_t display_gamma_darker[256] = {
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    1,
    1,
    1,
    1,
    1,
    1,
    1,
    1,
    1,
    1,
    2,
    2,
    2,
    2,
    2,
    2,
    2,
    3,
    3,
    3,
    3,
    3,
    4,
    4,
    4,
    4,
    5,
    5,
    5,
    5,
    6,
    6,
    6,
    6,
    7,
    7,
    7,
    8,
    8,
    8,
    9,
    9,
    9,
    10,
    10,
    11,
    11,
    11,
    12,
    12,
    13,
    13,
    13,
    14,
    14,
    15,
    15,
    16,
    16,
    17,
    17,
    18,
    18,
    19,
    19,
    20,
    20,
    21,
    22,
    22,
    23,
    23,
    24,
    25,
    25,
    26,
    26,
    27,
    28,
    28,
    29,
    30,
    30,
    31,
    32,
    33,
    33,
    34,
    35,
    35,
    36,
    37,
    38,
    39,
    39,
    40,
    41,
    42,
    43,
    43,
    44,
    45,
    46,
    47,
    48,
    49,
    49,
    50,
    51,
    52,
    53,
    54,
    55,
    56,
    57,
    58,
    59,
    60,
    61,
    62,
    63,
    64,
    65,
    66,
    67,
    68,
    69,
    70,
    71,
    73,
    74,
    75,
    76,
    77,
    78,
    79,
    81,
    82,
    83,
    84,
    85,
    87,
    88,
    89,
    90,
    91,
    93,
    94,
    95,
    97,
    98,
    99,
    100,
    102,
    103,
    105,
    106,
    107,
    109,
    110,
    111,
    113,
    114,
    116,
    117,
    119,
    120,
    121,
    123,
    124,
    126,
    127,
    129,
    130,
    132,
    133,
    135,
    137,
    138,
    140,
    141,
    143,
    145,
    146,
    148,
    149,
    151,
    153,
    154,
    156,
    158,
    159,
    161,
    163,
    165,
    166,
    168,
    170,
    172,
    173,
    175,
    177,
    179,
    181,
    182,
    184,
    186,
    188,
    190,
    192,
    194,
    196,
    197,
    199,
    201,
    203,
    205,
    207,
    209,
    211,
    213,
    215,
    217,
    219,
    221,
    223,
    225,
    227,
    229,
    231,
    234,
    236,
    238,
    240,
    242,
    244,
    246,
    248,
    251,
    253,
    255,
};

static uint8_t display_gamma_brighter[256] = {
    0,
    21,
    28,
    34,
    39,
    43,
    46,
    50,
    53,
    56,
    59,
    61,
    64,
    66,
    68,
    70,
    72,
    74,
    76,
    78,
    80,
    82,
    84,
    85,
    87,
    89,
    90,
    92,
    93,
    95,
    96,
    98,
    99,
    101,
    102,
    103,
    105,
    106,
    107,
    109,
    110,
    111,
    112,
    114,
    115,
    116,
    117,
    118,
    119,
    120,
    122,
    123,
    124,
    125,
    126,
    127,
    128,
    129,
    130,
    131,
    132,
    133,
    134,
    135,
    136,
    137,
    138,
    139,
    140,
    141,
    142,
    143,
    144,
    144,
    145,
    146,
    147,
    148,
    149,
    150,
    151,
    151,
    152,
    153,
    154,
    155,
    156,
    156,
    157,
    158,
    159,
    160,
    160,
    161,
    162,
    163,
    164,
    164,
    165,
    166,
    167,
    167,
    168,
    169,
    170,
    170,
    171,
    172,
    173,
    173,
    174,
    175,
    175,
    176,
    177,
    178,
    178,
    179,
    180,
    180,
    181,
    182,
    182,
    183,
    184,
    184,
    185,
    186,
    186,
    187,
    188,
    188,
    189,
    190,
    190,
    191,
    192,
    192,
    193,
    194,
    194,
    195,
    195,
    196,
    197,
    197,
    198,
    199,
    199,
    200,
    200,
    201,
    202,
    202,
    203,
    203,
    204,
    205,
    205,
    206,
    206,
    207,
    207,
    208,
    209,
    209,
    210,
    210,
    211,
    212,
    212,
    213,
    213,
    214,
    214,
    215,
    215,
    216,
    217,
    217,
    218,
    218,
    219,
    219,
    220,
    220,
    221,
    221,
    222,
    223,
    223,
    224,
    224,
    225,
    225,
    226,
    226,
    227,
    227,
    228,
    228,
    229,
    229,
    230,
    230,
    231,
    231,
    232,
    232,
    233,
    233,
    234,
    234,
    235,
    235,
    236,
    236,
    237,
    237,
    238,
    238,
    239,
    239,
    240,
    240,
    241,
    241,
    242,
    242,
    243,
    243,
    244,
    244,
    245,
    245,
    246,
    246,
    247,
    247,
    248,
    248,
    249,
    249,
    249,
    250,
    250,
    251,
    251,
    252,
    252,
    253,
    253,
    254,
    254,
    255,
    255,
};

static uint8_t display_gamma_weaker[256] = {
    38,
    39,
    40,
    41,
    41,
    42,
    43,
    43,
    44,
    45,
    45,
    46,
    47,
    48,
    48,
    49,
    50,
    50,
    51,
    52,
    52,
    53,
    54,
    55,
    55,
    56,
    57,
    57,
    58,
    59,
    59,
    60,
    61,
    62,
    62,
    63,
    64,
    64,
    65,
    66,
    66,
    67,
    68,
    69,
    69,
    70,
    71,
    71,
    72,
    73,
    73,
    74,
    75,
    76,
    76,
    77,
    78,
    78,
    79,
    80,
    80,
    81,
    82,
    83,
    83,
    84,
    85,
    85,
    86,
    87,
    87,
    88,
    89,
    90,
    90,
    91,
    92,
    92,
    93,
    94,
    94,
    95,
    96,
    97,
    97,
    98,
    99,
    99,
    100,
    101,
    101,
    102,
    103,
    104,
    104,
    105,
    106,
    106,
    107,
    108,
    108,
    109,
    110,
    111,
    111,
    112,
    113,
    113,
    114,
    115,
    115,
    116,
    117,
    118,
    118,
    119,
    120,
    120,
    121,
    122,
    122,
    123,
    124,
    125,
    125,
    126,
    127,
    127,
    128,
    129,
    129,
    130,
    131,
    132,
    132,
    133,
    134,
    134,
    135,
    136,
    136,
    137,
    138,
    139,
    139,
    140,
    141,
    141,
    142,
    143,
    143,
    144,
    145,
    146,
    146,
    147,
    148,
    148,
    149,
    150,
    150,
    151,
    152,
    153,
    153,
    154,
    155,
    155,
    156,
    157,
    157,
    158,
    159,
    160,
    160,
    161,
    162,
    162,
    163,
    164,
    164,
    165,
    166,
    167,
    167,
    168,
    169,
    169,
    170,
    171,
    171,
    172,
    173,
    174,
    174,
    175,
    176,
    176,
    177,
    178,
    178,
    179,
    180,
    181,
    181,
    182,
    183,
    183,
    184,
    185,
    185,
    186,
    187,
    188,
    188,
    189,
    190,
    190,
    191,
    192,
    192,
    193,
    194,
    195,
    195,
    196,
    197,
    197,
    198,
    199,
    199,
    200,
    201,
    202,
    202,
    203,
    204,
    204,
    205,
    206,
    206,
    207,
    208,
    209,
    209,
    210,
    211,
    211,
    212,
    213,
    213,
    214,
    215,
    216,
    216,
    217,
};

static uint8_t display_gamma_stronger[256] = {
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    0,
    1,
    2,
    3,
    5,
    6,
    7,
    8,
    10,
    11,
    12,
    14,
    15,
    16,
    18,
    19,
    20,
    21,
    23,
    24,
    25,
    27,
    28,
    29,
    31,
    32,
    33,
    34,
    36,
    37,
    38,
    40,
    41,
    42,
    44,
    45,
    46,
    47,
    49,
    50,
    51,
    53,
    54,
    55,
    57,
    58,
    59,
    60,
    62,
    63,
    64,
    66,
    67,
    68,
    70,
    71,
    72,
    73,
    75,
    76,
    77,
    79,
    80,
    81,
    83,
    84,
    85,
    86,
    88,
    89,
    90,
    92,
    93,
    94,
    96,
    97,
    98,
    99,
    101,
    102,
    103,
    105,
    106,
    107,
    109,
    110,
    111,
    112,
    114,
    115,
    116,
    118,
    119,
    120,
    122,
    123,
    124,
    125,
    127,
    128,
    129,
    131,
    132,
    133,
    135,
    136,
    137,
    138,
    140,
    141,
    142,
    144,
    145,
    146,
    148,
    149,
    150,
    151,
    153,
    154,
    155,
    157,
    158,
    159,
    161,
    162,
    163,
    164,
    166,
    167,
    168,
    170,
    171,
    172,
    174,
    175,
    176,
    177,
    179,
    180,
    181,
    183,
    184,
    185,
    187,
    188,
    189,
    190,
    192,
    193,
    194,
    196,
    197,
    198,
    200,
    201,
    202,
    203,
    205,
    206,
    207,
    209,
    210,
    211,
    213,
    214,
    215,
    216,
    218,
    219,
    220,
    222,
    223,
    224,
    226,
    227,
    228,
    229,
    231,
    232,
    233,
    235,
    236,
    237,
    239,
    240,
    241,
    242,
    244,
    245,
    246,
    248,
    249,
    250,
    252,
    253,
    254,
    255,
    255,
    255,
    255,
    255,
    255,
    255,
    255,
    255,
    255,
    255,
    255,
    255,
    255,
    255,
    255,
    255,
    255,
    255,
    255,
    255,
    255,
    255,
    255,
    255,
    255,
    255,
    255,
    255,
    255,
};
